From 670ede8c579207f6d1b65f3405edb2dfd1c34722 Mon Sep 17 00:00:00 2001
From: SuperDJ <6484766+SuperDJ@users.noreply.github.com>
Date: Thu, 24 Nov 2022 01:22:29 +0100
Subject: [PATCH] Added more types (#195)

---
 src/ArrayToXml.php | 16 ++++++++--------
 1 file changed, 8 insertions(+), 8 deletions(-)

diff --git a/src/ArrayToXml.php b/src/ArrayToXml.php
index 2d2c02f..1c6260d 100644
--- a/src/ArrayToXml.php
+++ b/src/ArrayToXml.php
@@ -21,10 +21,10 @@ public function __construct(
         array $array,
         string | array $rootElement = '',
         bool $replaceSpacesByUnderScoresInKeyNames = true,
-        ?string $xmlEncoding = null,
+        string | null $xmlEncoding = null,
         string $xmlVersion = '1.0',
         array $domProperties = [],
-        ?bool $xmlStandalone = null
+        bool | null $xmlStandalone = null
     ) {
         $this->document = new DOMDocument($xmlVersion, $xmlEncoding ?? '');
 
@@ -38,7 +38,7 @@ public function __construct(
 
         $this->replaceSpacesByUnderScoresInKeyNames = $replaceSpacesByUnderScoresInKeyNames;
 
-        if ($this->isArrayAllKeySequential($array) && ! empty($array)) {
+        if (! empty($array) && $this->isArrayAllKeySequential($array)) {
             throw new DOMException('Invalid Character Error');
         }
 
@@ -177,14 +177,14 @@ protected function convertElement(DOMElement $element, mixed $value): void
         }
     }
 
-    protected function addNumericNode(DOMElement $element, $value): void
+    protected function addNumericNode(DOMElement $element, mixed $value): void
     {
         foreach ($value as $key => $item) {
             $this->convertElement($element, [$this->numericTagNamePrefix.$key => $item]);
         }
     }
 
-    protected function addNode(DOMElement $element, $key, $value): void
+    protected function addNode(DOMElement $element, string $key, mixed $value): void
     {
         if ($this->replaceSpacesByUnderScoresInKeyNames) {
             $key = str_replace(' ', '_', $key);
@@ -195,7 +195,7 @@ protected function addNode(DOMElement $element, $key, $value): void
         $this->convertElement($child, $value);
     }
 
-    protected function addCollectionNode(DOMElement $element, $value): void
+    protected function addCollectionNode(DOMElement $element, mixed $value): void
     {
         if ($element->childNodes->length === 0 && $element->attributes->length === 0) {
             $this->convertElement($element, $value);
@@ -208,7 +208,7 @@ protected function addCollectionNode(DOMElement $element, $value): void
         $this->convertElement($child, $value);
     }
 
-    protected function addSequentialNode(DOMElement $element, $value): void
+    protected function addSequentialNode(DOMElement $element, mixed $value): void
     {
         if (empty($element->nodeValue) && ! is_numeric($element->nodeValue)) {
             $element->nodeValue = htmlspecialchars($value);
@@ -245,7 +245,7 @@ protected function addAttributes(DOMElement $element, array $data): void
         }
     }
 
-    protected function createRootElement($rootElement): DOMElement
+    protected function createRootElement(string|array $rootElement): DOMElement
     {
         if (is_string($rootElement)) {
             $rootElementName = $rootElement ?: 'root';